Description
| Density | 2.78~2.85 * 10^3 kg/m^3 | |
| Volume Resitivity | 10^15~10^16 Ω·cm | |
| Surface Resitivity | 10^11~10^13 Ω | |
| Dielectric Strength | 185~236kV/mm | |
| Permittivity | 5.6 ε | |
| dielectric loss | 1~4x 10^-4 tg δ | |
| Melting Point | 1375 ± 5 | |
| Max Working Temperature(Tmax) | 1100 | |
| Thermal Weight Loss (40 ~ 1180 | 0.85% | |
| Specific heat capacity | 836 J/kg · K | |
| Linear Thermal Expansion | () 10 ~ 12 x 10^-6/K | |
| (⊥) 15 ~ 25 x 10^-6/K | ||
| Thermal conductivity | () 3.75W/m·K | |
| (⊥) 0.55W/m·K | ||
| optical axial angle | 8° ~ 14° | |
| Hardness | Mohs Hardness | 3~3.4 |
| Microhardness Hv0.2 | 1.35GPa | |
| S | 138~146 | |
| refractive index | N_p | 1.513~1.544 |
| N_m | 1.539~1.564 | |
| N_g | 1.540~1.566 | |
| Ultimate tensile strength | 150~200MPa | |
| Compressive strength | 400~520MPa | |
| Water absorption | 0.14~0.23% | |
| Moisture absorption | 0~0.05% | |
| Mosaicity | < 0.25 | |
| Temperature | 200 | 600 | 900 |
| Cleavage | 10.0 | 6.3 | 2.96 |
| ⊥ Cleavage | 21.2 | 11.5 | 5.08 |
| Temperature | Room temperature | 300 | 500 | 600 | 700 | 800 |
| Volume Resitivity | 3.9 x 10^15 | 5.1 x 10^13 | 1.6 x 10^13 | 1.6 x 10^12 | 5.6x10^11 | 3.9x10^10 |
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ITO Coated Glass / Plastic  |
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SiC Ceramic Substrates
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